{% load i18n %}
<div class="btn-group export">
    <a class="btn btn-primary btn-sm" data-toggle="modal" data-target="#msg_rule" href="#">
        <i class="fa fa-question-circle"></i>关于
    </a>

    <div id="msg_rule" class="modal fade">
        <div class="modal-dialog modal-lg">
            <div class="modal-content">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
                    <h4 class="modal-title">关于</h4>
                </div>
                <div class="modal-body">
                    {{ about_content|safe }}
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-default" data-dismiss="modal">{% trans "Close" %}</button>
                </div>
            </div>
        </div>
    </div>

</div>